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  Electronic Structure and Stability of Fluorophore-Nitroxide Radicals from Ultrahigh Vacuum to Air Exposure

Kakavandi, R., Ravat, P., Savu, S., Borozdina, Y., Baumgarten, M., & Casu, M. (2014). Electronic Structure and Stability of Fluorophore-Nitroxide Radicals from Ultrahigh Vacuum to Air Exposure. ACS Applied Materials and Interfaces, 7(3), 1685-1692. doi:10.1021/am508854u.

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Genre: Journal Article

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https://pubs.acs.org/doi/pdf/10.1021/am508854u (Publisher version)
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 Creators:
Kakavandi, R, Author
Ravat, P, Author
Savu, SA, Author
Borozdina, YB1, Author              
Baumgarten, M, Author
Casu, MB, Author
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1External Organizations, ou_persistent22              

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 Abstract: Thin film processes of organic radicals remain widely unknown, although these materials may have a significant technological potential. In aiming at their use in applications, we explore the electronic structure of thin films of a nitronyl nitroxide radical attached to a fluorophore core. According to our findings, this molecule maintains its radical function and, consequently, its sensing capabilities in the thin films. The films are characterized by a high structural degree of the molecular arrangement, coupled to strong vacuum and air stability that make this fluorophore–nitroxide radical an extremely promising candidate for application in electronics. Our work also identifies a quantitative correlation between the results obtained by the simultaneous use of X-ray photoemission and electron paramagnetic resonance spectroscopy. This result can be used as a standard diagnostic tool in order to link the (in situ-measured) electronic structure with classical ex situ paramagnetic investigations.

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Language(s): eng - English
 Dates: 2014-12
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1021/am508854u
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Title: ACS Applied Materials and Interfaces
  Abbreviation : ACS Appl. Mater. Interfaces
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 7 (3) Sequence Number: - Start / End Page: 1685 - 1692 Identifier: ISSN: 1944-8244
CoNE: https://pure.mpg.de/cone/journals/resource/1944-8244